Boosted by sizzling wireless-phone sales, Motorola's
MSI, -0.10%
revenue exceeded forecasts by almost $2 billion. What's more, its resurgence is expected to extend into the current quarter, as Motorola sharply raised its financial forecast.

First-quarter profit jumped to $609 million, or 25 cents a share, from $169 million, or 7 cents, a year earlier. Sales surged 42 percent to $8.6 billion -- well above the $6.8 billion goal forecast by the company and Wall Street analysts. Excluding onetime items, Motorola earned about 19 cents. That easily beat the 7 cent average estimate of analysts surveyed by Thomson First Call. See full story.

Motorola shares powered higher 21.8 percent by to change hands for $19.75 after the bell, topping the most-actives list on Inet ECN.

Nokia
NOK, +0.08%
also figured among the volume leaders, rising 1 percent to $15.12, and Ericsson
ERICY
rose to $31.29, up 3 percent.

Next in line on the most-actives list were shares of Web-search provider Ask Jeeves
ASKJ
The company reported earnings of $13.4 million, or 23 cents a share, in the first quarter, compared with a profit of $8.5 million, or 17 cents, in the year-ago period. Excluding certain items, Ask Jeeves earned $13.5 million, or 23 cents a share, vs. $3.5 million, or 7 cents, a year earlier. The search company also increased quarterly sales by 73 percent to $39.2 million. Analysts expected Ask Jeeves to earn 18 cents on revenue of $37 million.

Electronics contract manufacturer Sanmina-SCI
SANM, -1.09%
reported a second-quarter net loss of $43.9 million, or 9 cents a share, vs. a loss of $31.8 million, or 6 cents, last year. Revenue was $2.9 billion vs. $2.4 billion a year ago. Sanmina exceeded analyst estimates of 4 cents a share in operating income by a penny a share.

At last check, Sanmina shares had risen 6 percent to trade at $10.80.

Applied Micro Circuits
AMCC
reported a fiscal fourth-quarter loss of $2.1 million, or a penny a share, on $47.4 million in sales. During the quarter last year, the chipmaker lost $229.1 million, or 76 cents, on revenue of $20.1 million. Excluding charges, Applied Micro Circuits broke even compared with an average expectation by analysts that it would lose a penny a share on sales of $44.9 million, on average, according to Thomson First Call.

Applied Micro shares were last changing hands for $5.56, a gain of 4.9 percent.

Career Education Corporation
CECO, +1.45%
reported first-quarter results and issued a second-quarter and full-year forecast above Wall Street's expectations. The post-secondary education provider said it made $41.8 million, or 40 cents a share, on sales of $402.8 million in the first quarter vs. $19.2 million, or 20 cents, on sales of $245.5 million.

Analysts polled by Thomson First Call expected a per-share profit of 32 cents on sales of $381 million. Career Education said it expects to make a profit of 33 cents a share on sales of $405 million to $410 million in the second quarter vs. analysts' average forecast of 29 cents on sales of $377 million. For the year, the company is forecasting a per-share profit of $1.75 on sales of $1.675 billion to $1.7 billion compared with analysts' forecast of $1.61 a share on sales of $1.63 billion.

Career Education shares rose to $66.02 in late trade, up 5.6 percent

Silicon Graphics
SGI, +1.53%
said it lost $4.09 million, or 2 cents a share, in its third quarter, vs. a $34.9 million loss, or 17 cents, a year earlier. SGI said quarterly sales rose 6 percent to $230 million. Analysts expected SGI to break even on revenue of $230 million.

Shares of SGI tumbled 15.5 percent to $2.40 in after-hours action.

Internet Security Systems
ISSX
reported first-quarter earnings that fell short of analysts' expectations. The computer security company said it made $5.2 million, or 10 cents a share, on sales of $67.1 million vs. $5.4 million, or 11 cents a share, on sales of $26.3 million. Pro forma earnings came in at 13 cents a share, flat from the same period a year earlier and a penny less than the 14-cent per-share average forecast of analysts polled by First Call. Revenue, however, was higher than analysts' expectations of $66 million.

ISS said it expects to report second-quarter earnings of 12 cents to 16 cents a share on sales of $66 million to $70 million. Analysts are forecasting 15 cents a share on sales of $68 million. For the year, ISS expects to make 58 cents to 66 cents a share on sales of $280 million vs. analysts' forecast of 63 cents a share on sales of $280 million.

ISS shares fell 8.4 percent to $16.30 after hours.

Finally, SigmaTel
SGTL
said it swung to a first-quarter profit and issued a second-quarter forecast above analysts' expectations. The semiconductor designer said it made $6.9 million, or 18 cents a share, on sales of $31.5 million vs. a loss of $8.8 million, or $1.50 a share, on sales of $12.9 million. SigmaTel said it expects to make 22 cents to 24 cents a share in the second quarter on sales between $34 million and $36 million. Analysts polled by Thomson First Call are forecasting a per-share profit of 17 cents a share on sales of $34 million.

SigmaTel shares rose to $26.25 after the bell, a gain of 5.2 percent.

The Nasdaq-100 After Hours Indicator, which tracks late trade in the tech sector, was up 1.11 points, or 0.08 percent.

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